Finding the Fourth Proportional to 1,122,154.36, 1,683,451.14 and 412,187.92
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Solution
The fourth proportional to 1,122,154.36, 1,683,451.14 and 412,187.92 is: 618,362.54
Step by Step Solution
- Step 1: Write the proportion equation
1,122,154.36 : 1,683,451.14 = 412,187.92 : x - Step 2: Convert to fraction form
1,122,154.36/1,683,451.14 = 412,187.92/x - Step 3: Cross multiply
1,122,154.36x = 1,683,451.14 × 412,187.92 - Step 4: Simplify right side
1,122,154.36x = 693,898,223,818.23 - Step 5: Solve for x
x = 693,898,223,818.23/1,122,154.36 - Step 6: Final answer
x = 618,362.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.